Q: How soon should I start spraying my apple tree with Sevin to stop bug damage to apples? Last year I had quite a bit of damage. The tree is just starting to leaf out. — Robert M. A: If the damage ...

My Japanese magnolias have this horrible disease that causes tan-colored growths that look like boils on the branches, and they attract flies. A black mildew is on the leaves, and the leaves ...

I received the following email from Doug Brooks, who gardens in Claremont. “For years, I have used some type of yearly insect control product to help protect my fruit trees. The last few years I have ...

Two insects tend to be the most prevalent pests in our area’s fruit trees: the codling moth (apples) and the western cherry fruit fly (cherries). Both create “wormy” fruit, and both, once the “worm” ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Sooty mold appropriately and exactly describes the disease, as it looks just ...

Maple trees in urban environments show signs of stress due to the urban heat island effect. Impervious surfaces like pavement retain heat and disrupt water absorption, stressing trees and making them ...

The emerald ash borer (Agrilus planipennis) is a deceptively attractive metallic-green adult beetle with a red abdomen. But few people ever actually see the insect itself — just the trail of ...

Invasive insects in the U.S. could kill up to 1.4 million street trees by 2050, according to researchers. In an international study published in the Journal of Applied Ecology, a team found that the ...